(-5n+3)/(n+4)=-1/2

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Solution for (-5n+3)/(n+4)=-1/2 equation: 


D( n )

n+4 = 0

n+4 = 0

n+4 = 0

n+4 = 0 // - 4

n = -4

n in (-oo:-4) U (-4:+oo)

(3-5*n)/(n+4) = -1/2 // + -1/2

(3-5*n)/(n+4)-(-1/2) = 0

(3-5*n)/(n+4)+1/2 = 0

(2*(3-5*n))/(2*(n+4))+(1*(n+4))/(2*(n+4)) = 0

2*(3-5*n)+1*(n+4) = 0

10-9*n = 0

(10-9*n)/(2*(n+4)) = 0

(10-9*n)/(2*(n+4)) = 0 // * 2*(n+4)

10-9*n = 0

10-9*n = 0 // - 10

-9*n = -10 // : -9

n = -10/(-9)

n = 10/9

n = 10/9

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